/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.core.api.processor;

import org.mule.runtime.core.api.MuleEvent;
import org.mule.runtime.core.api.MuleException;

/**
 * Processes {@link MuleEvent}'s. Implementations that do not mutate the {@link MuleEvent} or pass it on to another
 * MessageProcessor should return the MuleEvent they receive.
 * 
 * @since 3.0
 */
public interface MessageProcessor {

  /**
   * Invokes the MessageProcessor.
   * 
   * @param event MuleEvent to be processed
   * @return optional response MuleEvent
   * @throws MuleException
   */
  MuleEvent process(MuleEvent event) throws MuleException;
}
